The phenomenon of endosymbiosis, or one organism living within another, has deeply impacted the evolution of life and continues to shape the ecology of countless species. ... Today, the sheer abundance of endosymbiotic relationships across diverse host lineages and habitats testifies to their continued significance.
flowering plants reproduce throught a process called pollination. The flowers contain male organs called stamen. female organs called pistil. the anothet is the part of the stamen that contains pollen needs to be moved to a part of the pistil called stigma